RESEARCH ARTICLE


Tractive Performance of LGP-30 Wheeled Vehicle During Straight Motion on Sepang Peat Terrain in Malaysia



Ataur Rahman*, 1, Azmi Yahya2, A. K.M. Mohiuddin1
1 Department of Mechanical Engineering (Mechanical-Automotive Engineering), Faculty of Engineering, International Islamic University Malaysia(IIUM), 50728 Kuala Lumpur, Malaysia
2 Faculty of Engineering, Universiti Putra Malaysia, 43400 Serdang Selangor D.E, Malaysia


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Creative Commons License
© 2009 Rahmanet al;

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the Department of Mechanical Engineering (Mechanical-Automotive Engineering), Faculty of Engineering, International Islamic University Malaysia (IIUM), 50728 Kuala Lumpur, Malaysia; Tel: +6-03-61964544; E-mail: arat@iiu.edu.my


Abstract

The tractive performance justification of an off-road vehicle is so important that it ensures the vehicle mobility over the unprepared peat terrain. Tractive performance of Low Ground Pressure (LGP-30) wheeled vehicle is investigated on the low bearing capacity moderate peat terrain in Malaysia. The simulation results showed that the vehicle sinkage is more than the critical sinkage value of 100 mm, ground contact pressure is more than 17 kN/m2, and rolling motion resistance due to terrain compaction is very often more than the tractive effort of the vehicle. The vehicle was tested on the unprepared moderate peat terrain after increasing the tyre-terrain interface by decreasing the tyre inflation pressure of 5%,10% and 15% respectively. The vehicle was found to traverse on the terrain smoothly when the tyre inflation pressure was decreased by 15%.

Keywords: Peat terrain, kinematics model, LGP-30 wheeled vehicle, tractive performance.